Text preview for : Main PCB _ POWER SUPPLY.pdf part of Soundstream Technologies DaVinchi Car audio amplifier
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Power Supply Channel 1 - 6
F801 40AMP
D804 FEP16DT
RFP70N06 x 3
Q806 R815 Q802 2N2222 C825 .1uF 100V Cer Q807 R816 3.3 Q808 R817 3.3
SEC 1
+
C803 trough C817 2200uF 16V
C823 .47uF MC
3.3
F802 40AMP C803 + C804 + C805 + C806 + C807 + C808 + C809 + C810 + C811 + C812 + C813 + C814 + C815 + C816 + C817 + Q801 PN2907 R801 47.5k D802 1N5402
R813 10 1/2W
R821 2.2 2W
D805 FEP16DT
L801A C828 1000uF 50V
D806 FEP16DT
+
+ 27V
+
CH 1-4
Q803 2SA1562 T801 TS801 D801 C820 100uF 16V + R808 22.1k D803 1N914 R809 1M
SEC 1 SEC 1
+
C827 560pF 1kV Cer
T 95 DEG
1N4002
C818 .1uF MC 15 13
RFP70N06 x 3
Q809 R818 Q804 2N2222 14
R823 220 2W D807 FEN16DT
L802
+ 39V - 39V
+ C829 1000uF 50V + C831 1000uF 50V
CH 5&6 CH 5&6
12
3.3 Q810
SEC 1
2
16 D1 R819 R814 10 1/2W Q805 2SA1562 R810 2k R811 1k R812 1k 3.3 11 U801 3524 CONTROLLER 6 7 10 R807 200K R804 4.75k R805 237K R806 27.4k C819 .1uF MC 5 8 4 C821 + 47uF 16V 1 9 C822 4.7nF 5% Mylar
-
J801 Battery Positive 1
1N4002 C801 100uF 16V C802 .1uF MC
R803 4.75k 2
PRIMARY: 3 TURNS 6X18GA
Q811 C826 .1uF 100V Cer
+
R820 C824 .47uF MC 3.3
SECONDARY#1: 8 TURNS 3X18 GA SECONDARY#2: 3 TURNS 3X18GA
R822 2.2 2W
D808 FEN16DT
J802 Remote in
L801B C830 1000uF 50V
J803 Battery Negative
D809 FEN16DT
+26V
F901 40AMP
C903 through C910 2200uF 16V
Q902 2N2222 D901 1N5402 C914 .47uF MC R914 15 1/2W
F902 40AMP C903 + C904 + C905 + C906 + C907 + C908 + C909 + C910 +
Power Supply Channel 7
D903 FEP16DT
+ 47V
Q906 NDP7050 R916 C917 .1uF 100V Cer R921 2.2 2W U802 LM317 VI D904 FEP16DT C919 2200uF + 50V GND VO R923 665 D907 1N914 C921 .1uF MC + C918 560pF 1kV Cer L901 R922 220 2W D905 FEN16DT C922 .1uF MC + C924 10uF 35V D908 1N914 R925 8.06k + C926 10uF 35V + R926 665 GND VI C920 2200uF 50V U803 LM337 VO D910 MBR150 1000uF 25V R928 470 5W C929 10uF 35V + + D909 MBR150
Q901 PN2907
R904 47.5k Q903 2SA1562
3.3
Q907 NDP7050
R901 2.49K R909 22.1k
R917 3.3
+ C925
C911 100uF 16V
T901
+
C923
R924 8.06k
C901 .1uF MC 15 13
.1uF MC
Q904 2N2222 14
12
16 R902 4.75k 2 R907 200k 11 U901 3524 CONTROLLER 7 10 1 C902 .1uF MC 5 8 4 9 C913 4.7nF R903 4.75k R905 267k R906 30.1k C912 + 47uF 16V 5% Mylar R911 2k R912 1k R913 1k Q905 2SA1562 6
C915 .47uF MC R915 15 1/2W
Q908 NDP7050 R918 3.3 R919 3.3 R920 2.2 2W Q909 NDP7050 C916 .1uF 100V Cer
PRIMARY: 3 TURNS 6X18ga SECONDARY: 13 TURNS 3X18ga
D906 FEN16DT
- 47V = Amplifier Chassis Ground
Power Supply Roll Back Ch 7
D951 1N914 R951 2.15k R952 3.01k Q951 J175 C951 .1uF U951B TL072 5 6 R961 1.5k R955 33.2k R956 66.5k R957 10k R959 1.82k R962 1K D952 1N914 R958 3.32k R954 10k
Light Enable
D954 1N914
RL951
+ 27V
J901
1 D955 1N4004 2 R968 2.2k 1W
Fan Control
Q957 TIP102
+ 47V
Q952 MPS8599 R960 1.5K
R965 1 4.75k
3
2 1
Q955 MPS8099
J902
1 + 2 C956 470uF 35V C957 .1uF D958 1N5244B 14V D959 1N4004
+16.8V
R2A 4.75K 2
R953 475k
+ 47V
7
+
Q953 MPS8099
C952 .1uF
Front End Mute Control
R966 301k 1 Q956 MPSA14 C953 .068uF Mylar
D956 1N4004
R971 1k R970 330 2W
-16.8V +16.8V
Q959 TIP102
D957 1N4004 R1A 100K
C958 + 100uF 50V
PC 1
Page 2 to J301 pin 1 + 2
PC 2
Page 2 to J301 pin7
PC 11
Page 3 to R725
PC 16
Page 3 from R722
PC 3
Page 2 to FE Mute Control
PC 14
Page 3 to FE Mute Control
PC 15
Page 3 from Ch 7 output
PC 6
Page 2 from CH1 output
2
- 16.8V
+
-
- 27V
CH 1-4
+ 27V - 27V + 39V - 39V + 47V + 16.8V - 47V + 16.8V
C927 1000uF 25V R927 470 5W
PC 4
Page 2 +27V
PC 5
Page 2 - 27V
PC 17
Page 3 +39V
PC 18
Page 3 - 39V
PC 19
Page 3 +47V
PC 20
Page 3 - 47V
PC 12
Page 3 to J701 pin 6
- 16.8V
PC 13
Page 3 to J701 pin 5
= Signal Ground = Power Ground
+
-
- 16.8V = Battery Negative
R991 2k
C991 .1uF MC
J903
1
R992 10 1W
2
C992 .1uF MC
Soundstream Technologies
120 Blue Ravine Road, Folsom, CA 95630
Title
DaVinci Main PCB, Power Supply and Control Circuits
Size Date: Document Number Rev
PCB # 540-736
Wednesday, January 12, 2000 Sheet 6 of 6
D